CN115093265A - Preparation process for processing agricultural fertilizer - Google Patents
Preparation process for processing agricultural fertilizer Download PDFInfo
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- CN115093265A CN115093265A CN202210790879.9A CN202210790879A CN115093265A CN 115093265 A CN115093265 A CN 115093265A CN 202210790879 A CN202210790879 A CN 202210790879A CN 115093265 A CN115093265 A CN 115093265A
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- fertilizer
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- pig manure
- fermentation
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 123
- 238000002360 preparation method Methods 0.000 title claims abstract description 38
- 238000000855 fermentation Methods 0.000 claims abstract description 61
- 230000004151 fermentation Effects 0.000 claims abstract description 61
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 47
- 210000003608 fece Anatomy 0.000 claims abstract description 44
- 239000010871 livestock manure Substances 0.000 claims abstract description 44
- 239000000618 nitrogen fertilizer Substances 0.000 claims abstract description 35
- 238000002156 mixing Methods 0.000 claims abstract description 31
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 31
- 239000002686 phosphate fertilizer Substances 0.000 claims abstract description 30
- 239000000843 powder Substances 0.000 claims abstract description 30
- 241000209094 Oryza Species 0.000 claims abstract description 26
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 26
- 235000009566 rice Nutrition 0.000 claims abstract description 26
- 239000010902 straw Substances 0.000 claims abstract description 26
- 150000001875 compounds Chemical class 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 19
- 239000002245 particle Substances 0.000 claims abstract description 19
- 238000005507 spraying Methods 0.000 claims abstract description 13
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000011574 phosphorus Substances 0.000 claims abstract description 12
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 12
- 238000001035 drying Methods 0.000 claims abstract description 11
- 238000005469 granulation Methods 0.000 claims abstract description 11
- 230000003179 granulation Effects 0.000 claims abstract description 11
- 238000005303 weighing Methods 0.000 claims abstract description 8
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 235000010855 food raising agent Nutrition 0.000 claims abstract description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 15
- 239000008187 granular material Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 7
- 229910019142 PO4 Inorganic materials 0.000 claims description 6
- 239000010903 husk Substances 0.000 claims description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 6
- 239000010452 phosphate Substances 0.000 claims description 6
- 238000012271 agricultural production Methods 0.000 claims description 3
- 239000002985 plastic film Substances 0.000 claims description 3
- 229920006255 plastic film Polymers 0.000 claims description 3
- 238000010298 pulverizing process Methods 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 3
- 238000003892 spreading Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims 1
- 239000002689 soil Substances 0.000 abstract description 26
- 238000009395 breeding Methods 0.000 description 8
- 230000001488 breeding effect Effects 0.000 description 8
- 241000196324 Embryophyta Species 0.000 description 6
- 239000000835 fiber Substances 0.000 description 6
- 235000015097 nutrients Nutrition 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 3
- 238000009264 composting Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 102000004196 processed proteins & peptides Human genes 0.000 description 2
- 108090000765 processed proteins & peptides Proteins 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000011573 trace mineral Substances 0.000 description 2
- 235000013619 trace mineral Nutrition 0.000 description 2
- 235000011201 Ginkgo Nutrition 0.000 description 1
- 235000008100 Ginkgo biloba Nutrition 0.000 description 1
- 244000194101 Ginkgo biloba Species 0.000 description 1
- OUYCCCASQSFEME-QMMMGPOBSA-N L-tyrosine Chemical compound OC(=O)[C@@H](N)CC1=CC=C(O)C=C1 OUYCCCASQSFEME-QMMMGPOBSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 229920001184 polypeptide Polymers 0.000 description 1
- 239000006041 probiotic Substances 0.000 description 1
- 230000000529 probiotic effect Effects 0.000 description 1
- 235000018291 probiotics Nutrition 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- OUYCCCASQSFEME-UHFFFAOYSA-N tyrosine Natural products OC(=O)C(N)CC1=CC=C(O)C=C1 OUYCCCASQSFEME-UHFFFAOYSA-N 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/50—Treatments combining two or more different biological or biochemical treatments, e.g. anaerobic and aerobic treatment or vermicomposting and aerobic treatment
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/40—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting fertiliser dosage or release rate; for affecting solubility
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Molecular Biology (AREA)
- Pest Control & Pesticides (AREA)
- Health & Medical Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Biotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a preparation process for processing agricultural fertilizer, which comprises the following steps: s1: adding a biological leavening agent into the pig manure, mixing, and stacking for primary fermentation; s2: crushing straw and rice hull, and mixing with the pig manure after primary fermentation; s3: adding the biological leaven into the mixture again, and performing secondary fermentation to prepare a cured biological fertilizer; s4: drying the cured biological fertilizer and then crushing; s5: crushing a nitrogenous fertilizer and a phosphate fertilizer into powder, and performing water spraying granulation; s6: mixing the cured biological fertilizer powder with nitrogen and phosphate fertilizer particles, spraying water for granulation again, and coating the cured biological fertilizer on the surfaces of the nitrogen and phosphate fertilizer particles to prepare a compound biological fertilizer; s7: and drying the compound biological fertilizer, weighing and bagging. According to the invention, the pig manure, the straw and the rice hull are mixed and then fermented to obtain the cured biological fertilizer, and the cured biological fertilizer is prepared into the compound fertilizer with nitrogen and phosphate fertilizer particles wrapped by the cured biological fertilizer, so that the soil environment can be effectively improved, and the loss of nitrogen and phosphorus elements can be reduced.
Description
Technical Field
The invention relates to the technical field of fertilizer production, in particular to a preparation process for processing an agricultural fertilizer.
Background
In the agricultural field, fertilizers are indispensable planting auxiliary materials, can improve soil properties, provide nutrients required by crop growth and development and improve crop yield and quality, and can be divided into organic fertilizers, inorganic fertilizers and biological fertilizers, and also can be divided into farmyard fertilizers and chemical fertilizers according to sources. In some systems combining agriculture and breeding industry, the manure of breeding livestock is usually used as fertilizer in agriculture, but the untreated manure can play opposite roles when being directly used, so the farmyard manure needs to be fermented before being used.
Through massive search, the prior art is found, and the publication number is as follows: CN106883012A discloses a preparation method of a multi-element probiotic compound organic soil formula fertilizer, which comprises ore powder preparation, raw material preparation, filtrate preparation, mixed fermentation, semi-finished product preparation and coating finished product. Compared with the prior art, the invention has the following advantages: the formula fertilizer obtained by the invention is reasonable in formula, improves soil, can improve the water absorption and fertilizer retention capacity of the soil, and effectively resists drought, waterlogging and cold; the soil hardening is avoided, the air permeability of the soil is increased, the pH value of the soil is adjusted, soil-borne diseases are effectively reduced, the yield and income are increased, and the precocity is promoted; the quality of the fruits or vegetables is improved by adding the ginkgo polypeptides and the tyrosine peptides, so that the taste is pure; the phenomenon of listing countries caused by stacking various factors but elements is obviously improved; the product has high purity, contains various nutrient substances and trace elements, is convenient to absorb after being cured, has strong persistence, is not easy to run off in soil, and has high utilization rate.
In conclusion, the existing agricultural compound fertilizer is usually composed of fertilizers containing different types of trace elements, the traditional nitrogenous fertilizer is easy to dissolve in water and easy to run off, the phosphate fertilizer is not easy to dissolve in water and can be accumulated in soil, and the traditional fertilizer lacks measures for treating the biological fertilizer in the using process, so that the effect of the biological fertilizer applied to the soil is not ideal.
Disclosure of Invention
The invention aims to provide a preparation process for processing agricultural fertilizer, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a preparation process for processing agricultural fertilizer comprises the following steps:
s1: adding a biological leavening agent into the pig manure, mixing, and stacking for primary fermentation;
s2: crushing straw and rice hull, and mixing with the pig manure after primary fermentation;
s3: adding the biological leaven into the mixture again, and performing secondary fermentation to prepare a cured biological fertilizer;
s4: drying the cured biological fertilizer and then crushing;
s5: crushing a nitrogenous fertilizer and a phosphate fertilizer into powder, and performing water spraying granulation;
s6: mixing the cured biological fertilizer powder with nitrogen and phosphate fertilizer granules, spraying water for granulation again, and coating the cured biological fertilizer on the surfaces of the nitrogen and phosphate fertilizer granules to prepare a compound biological fertilizer;
s7: and drying the compound biological fertilizer, weighing and bagging.
Preferably, in S1 based on the preparation process:
after being collected in a centralized manner, the pig manure is dried, the water content in the pig manure is reduced, a biological fermentation agent is weighed, the biological fermentation agent accounts for 5-7% of the total weight of the pig manure, after mixing, the pig manure is piled, a plastic film is covered, and one-time piling fermentation is carried out, wherein the fermentation time is 5-8 days.
Preferably, in S2 based on the preparation process:
crushing straw and rice hull recovered in agricultural production, wherein the crushed straw and rice hull are in powder form, and the pig manure after primary fermentation is fully mixed with a mixture of straw and rice hull powder;
the ratio of the pig manure to the mixture of the straw powder and the rice hull powder is 1: 1.2.
Preferably, in S3 based on the preparation process:
mixing the pig manure after primary fermentation with straw and rice hull, adding a biological fermentation agent into the mixture again, wherein the biological fermentation agent accounts for 2-3% of the total weight of the mixture, mixing the biological fermentation agent, and performing composting secondary fermentation on the mixture, wherein the secondary fermentation time is 7-10 days, so as to prepare the cured biological fertilizer.
Preferably, in S4 based on the preparation process:
spreading and airing the cured biological fertilizer, reducing the moisture in the cured biological fertilizer, and after the drying is finished, putting the cured biological fertilizer into a crusher for overall crushing;
pulverizing, sieving with 100 mesh sieve, and making into aged biological fertilizer powder.
Preferably, in S5 based on the preparation process:
weigh nitrogenous fertilizer and phosphorus fertilizer, according to nitrogenous fertilizer: mixing phosphate fertilizers in a ratio of 1:1, and mixing the nitrogen fertilizers and the phosphate fertilizers: weighing the cured biological fertilizer in a ratio of 0.7: 1;
and mixing the nitrogenous fertilizer and the phosphate fertilizer, crushing, forming powder by crushing, and granulating again to obtain the nitrogenous fertilizer and phosphate fertilizer granules.
Preferably, in S6 based on the preparation process:
mixing the cured biological fertilizer with nitrogen and phosphate fertilizer particles, spraying water mist for granulation, spraying water on the surfaces of the nitrogen and phosphate fertilizer particles, and wrapping the cured biological fertilizer powder on the surfaces of the nitrogen and phosphate fertilizer particles to obtain the compound biological fertilizer.
Compared with the prior art, the invention has the beneficial effects that: the invention mixes the pig manure after primary fermentation with the crushed straw and the rice hull, carries out secondary fermentation, can fill a large amount of plant fibers in the pig manure fertilizer, provides sufficient nutrients for the fermentation process, and the plant fibers can make the fertilizer particles more fluffy, have good air permeability and can accelerate the fermentation efficiency, after the fermentation treatment of the cured biological fertilizer is finished, the cured biological fertilizer is wrapped on the surface of nitrogen and phosphorus fertilizer particles to form the compound biological fertilizer, when the compound biological fertilizer is scattered in soil, the cured biological fertilizer on the surface of the compound biological fertilizer can be fermented in the soil, the environment in the soil can be improved, the nitrogen and phosphorus fertilizer particles are wrapped, the dissolving time of the nitrogen and phosphorus fertilizer is slowed down, the loss of nitrogen elements is reduced, the soil is improved, the nitrogen and phosphorus elements in the soil can be supplemented, the agricultural planting is facilitated, and the pig manure, the straw and the rice hull are used as raw materials, deepens the relation between agriculture and breeding industry, and makes the breeding industry and the agriculture more ecological.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The invention provides three embodiments:
the first embodiment is as follows:
a preparation process for processing agricultural fertilizer comprises the following steps:
s1: adding a biological leavening agent into the pig manure, mixing, and stacking for primary fermentation;
s2: crushing straw and rice husk, and mixing with the pig manure after primary fermentation;
s3: adding the biological leaven into the mixture again for secondary fermentation to prepare a cured biological fertilizer;
s4: drying the cured biological fertilizer and then crushing;
s5: crushing a nitrogenous fertilizer and a phosphate fertilizer into powder, and performing water spraying granulation;
s6: mixing the cured biological fertilizer powder with nitrogen and phosphate fertilizer granules, spraying water for granulation again, and coating the cured biological fertilizer on the surfaces of the nitrogen and phosphate fertilizer granules to prepare a compound biological fertilizer;
s7: and drying the compound biological fertilizer, weighing and bagging.
The pig manure is subjected to primary fermentation and then mixed with the crushed straw and the rice hull, secondary fermentation is carried out, a large amount of plant fibers can be filled in the pig manure fertilizer, sufficient nutrients are provided for the fermentation process, the plant fibers can enable fertilizer particles to be more fluffy and have good air permeability, the fermentation efficiency can be accelerated, after the fermentation treatment of the cured biological fertilizer is completed, the cured biological fertilizer is wrapped on the surface of nitrogen and phosphorus fertilizer particles to form a compound biological fertilizer, when the compound biological fertilizer is scattered in soil, the cured biological fertilizer on the surface of the compound biological fertilizer can be fermented in the soil, the environment in the soil can be improved, the nitrogen and phosphorus fertilizer particles are wrapped, the dissolving time of the nitrogen and phosphorus fertilizer is slowed down, the loss of nitrogen elements is reduced, the soil is improved, the nitrogen and phosphorus elements in the soil can be supplemented, the agricultural planting is facilitated, and the pig manure, the straw and the rice hull are used as raw materials, deepens the relation between agriculture and breeding industry, and makes the breeding industry and the agriculture more ecological.
Example two:
in S1 based on the preparation process:
the pig manure is intensively collected and dried, the water content in the pig manure is reduced, a biological fermentation agent is weighed, the biological fermentation agent accounts for 5-7% of the total weight of the pig manure, the pig manure is piled after being mixed, a plastic film is covered on the pig manure, and one-time piling fermentation is carried out, wherein the fermentation time is 5-8 days.
In S2 based on the preparation process:
crushing straw and rice hull recovered in agricultural production, wherein the crushed straw and rice hull are in powder form, and the pig manure after primary fermentation is fully mixed with a mixture of straw and rice hull powder;
the ratio of the pig manure to the mixture of the straw powder and the rice hull powder is 1: 1.2. Straw, rice husk are smashed the back and are mixed with the pig manure of preliminary fermentation, carry out the secondary fermentation, can fill a large amount of plant fiber in pig manure fertilizer, for the fermentation process provides sufficient nourishment to plant fiber can make the fertilizer granule more fluffy, possesses good gas permeability, can accelerate fermentation efficiency.
In S3 based on the preparation process:
mixing the pig manure after primary fermentation with straw and rice hull, adding a biological fermentation agent into the mixture again, wherein the biological fermentation agent accounts for 2-3% of the total weight of the mixture, mixing the biological fermentation agent, and performing composting secondary fermentation on the mixture, wherein the secondary fermentation time is 7-10 days, so as to prepare the cured biological fertilizer.
In S4 based on the preparation process:
spreading and airing the cured biological fertilizer, reducing the moisture in the cured biological fertilizer, and after the drying is finished, putting the cured biological fertilizer into a crusher for overall crushing;
pulverizing, sieving with 100 mesh sieve, and making into aged biological fertilizer powder.
Example three:
in S5 based on the preparation process:
weighing nitrogen fertilizer and phosphate fertilizer according to the weight ratio of nitrogen fertilizer: mixing phosphate fertilizers in a ratio of 1:1, and mixing the nitrogen fertilizers and the phosphate fertilizers: weighing the cured biological fertilizer in a ratio of 0.7: 1;
and mixing the nitrogenous fertilizer and the phosphate fertilizer, crushing, forming powder by crushing, and granulating again to obtain the nitrogenous fertilizer and phosphate fertilizer granules.
In S6 based on the preparation process:
mixing the cured biological fertilizer with nitrogen and phosphate fertilizer particles, spraying water mist for granulation, spraying water on the surfaces of the nitrogen and phosphate fertilizer particles, and wrapping the cured biological fertilizer powder on the surfaces of the nitrogen and phosphate fertilizer particles to obtain the compound biological fertilizer.
After the fermentation treatment of the cured biofertilizer is finished, the cured biofertilizer is wrapped on the surface of the nitrogen-phosphorus fertilizer particles to form the compound biofertilizer, when the compound biofertilizer is scattered in soil, the cured biofertilizer on the surface of the compound biofertilizer can be fermented in the soil, the environment in the soil can be improved, the nitrogen-phosphorus fertilizer particles are wrapped, the time for dissolving the nitrogen-phosphorus fertilizer is reduced, the loss of nitrogen elements is reduced, the soil can be improved, meanwhile, the nitrogen and phosphorus elements in the soil can be supplemented, the agricultural planting is facilitated, meanwhile, the pig manure, the straw and the rice husk are used as raw materials, the connection between the agriculture and the breeding industry is deepened, and the breeding industry and the agriculture are more ecological
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (7)
1. A preparation process for processing agricultural fertilizer is characterized by comprising the following steps: the preparation process comprises the following steps:
s1: adding a biological leavening agent into the pig manure, mixing, and stacking for primary fermentation;
s2: crushing straw and rice hull, and mixing with the pig manure after primary fermentation;
s3: adding the biological leaven into the mixture again, and performing secondary fermentation to prepare a cured biological fertilizer;
s4: drying the cured biological fertilizer and then crushing;
s5: crushing a nitrogenous fertilizer and a phosphate fertilizer into powder, and performing water spraying granulation;
s6: mixing the cured biological fertilizer powder with nitrogen and phosphate fertilizer particles, spraying water for granulation again, and coating the cured biological fertilizer on the surfaces of the nitrogen and phosphate fertilizer particles to prepare a compound biological fertilizer;
s7: and drying the compound biological fertilizer, weighing and bagging.
2. A process for the preparation of an agricultural fertilizer according to claim 1, characterized in that: in S1 based on the preparation process:
the pig manure is intensively collected and dried, the water content in the pig manure is reduced, a biological fermentation agent is weighed, the biological fermentation agent accounts for 5-7% of the total weight of the pig manure, the pig manure is piled after being mixed, a plastic film is covered on the pig manure, and one-time piling fermentation is carried out, wherein the fermentation time is 5-8 days.
3. A process for the preparation of agricultural fertilizer according to claim 1, characterized in that: in S2 based on the preparation process:
crushing straw and rice husk recovered in agricultural production, wherein the crushed straw and rice husk are in powder form, and the pig manure after primary fermentation is fully mixed with a mixture of straw and rice husk powder;
the ratio of the pig manure to the mixture of the straw powder and the rice hull powder is 1: 1.2.
4. A process for the preparation of agricultural fertilizer according to claim 1, characterized in that: in S3 based on the preparation process:
mixing the pig manure after primary fermentation with straw and rice hull, adding a biological fermentation agent into the mixture again, wherein the biological fermentation agent accounts for 2-3% of the total weight of the mixture, mixing the biological fermentation agent, and performing stacking secondary fermentation on the mixture, wherein the secondary fermentation time is 7-10 days, so as to prepare the cured biological fertilizer.
5. A process for the preparation of an agricultural fertilizer according to claim 1, characterized in that: in S4 based on the preparation process:
spreading and airing the cured biological fertilizer, reducing the moisture in the cured biological fertilizer, and after the drying is finished, putting the cured biological fertilizer into a crusher for overall crushing;
pulverizing, sieving with 100 mesh sieve, and making into aged biological fertilizer powder.
6. A process for the preparation of an agricultural fertilizer according to claim 1, characterized in that: in S5 based on the preparation process:
weigh nitrogenous fertilizer and phosphorus fertilizer, according to nitrogenous fertilizer: mixing phosphate fertilizers in a ratio of 1:1, and mixing the nitrogen fertilizers and the phosphate fertilizers: weighing the cured biological fertilizer in a ratio of 0.7: 1;
and mixing the nitrogenous fertilizer and the phosphate fertilizer, crushing, forming powder by crushing, and granulating again to obtain the nitrogenous fertilizer and phosphate fertilizer granules.
7. A process for the preparation of agricultural fertilizer according to claim 1, characterized in that: in S6 based on the preparation process:
mixing the cured biological fertilizer with the nitrogen fertilizer granules and the phosphate fertilizer granules, performing water spray granulation, spraying water on the surfaces of the nitrogen fertilizer granules and the phosphate fertilizer granules, and coating the cured biological fertilizer powder on the surfaces of the nitrogen fertilizer granules and the phosphate fertilizer granules to obtain the compound biological fertilizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210790879.9A CN115093265A (en) | 2022-07-05 | 2022-07-05 | Preparation process for processing agricultural fertilizer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210790879.9A CN115093265A (en) | 2022-07-05 | 2022-07-05 | Preparation process for processing agricultural fertilizer |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103044146A (en) * | 2013-01-12 | 2013-04-17 | 重庆润绿生物有机肥有限公司 | Complex control type long-acting controlled-release organic and inorganic biological fertilizer |
| CN106396825A (en) * | 2015-07-28 | 2017-02-15 | 重庆市硒浦农业开发有限公司 | Organic ecological fertilizer |
| CN109081752A (en) * | 2018-07-10 | 2018-12-25 | 云南省微生物发酵工程研究中心有限公司 | A kind of kalium nitrate fertilizer and preparation method thereof with prophyiaxis and promoting growth function |
| CN114573397A (en) * | 2022-04-01 | 2022-06-03 | 贵州师范大学 | High-temperature decomposed refined tea-seed cake organic fertilizer and preparation method thereof |
-
2022
- 2022-07-05 CN CN202210790879.9A patent/CN115093265A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103044146A (en) * | 2013-01-12 | 2013-04-17 | 重庆润绿生物有机肥有限公司 | Complex control type long-acting controlled-release organic and inorganic biological fertilizer |
| CN106396825A (en) * | 2015-07-28 | 2017-02-15 | 重庆市硒浦农业开发有限公司 | Organic ecological fertilizer |
| CN109081752A (en) * | 2018-07-10 | 2018-12-25 | 云南省微生物发酵工程研究中心有限公司 | A kind of kalium nitrate fertilizer and preparation method thereof with prophyiaxis and promoting growth function |
| CN114573397A (en) * | 2022-04-01 | 2022-06-03 | 贵州师范大学 | High-temperature decomposed refined tea-seed cake organic fertilizer and preparation method thereof |
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